I found Chordify difficult to follow, but I have worked out chords should they be of any help to anyone else in future:
G C G C G-D
Oh I am a faithful lady, my troubles they are great,
G C G C D G
My tongue is scarcely able my grievance to relate.
D G C G-D
Since I have lost my own true love that was ever dear to me
G C G C D G
He has gone to plough the ocean on board the Victory.